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» Approximability of Probability Distributions
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EOR
2008
150views more  EOR 2008»
15 years 4 months ago
Portfolio optimization when asset returns have the Gaussian mixture distribution
Abstract. Portfolios of assets whose returns have the Gaussian mixture distribution are optimized in the static setting to find portfolio weights and efficient frontiers using the ...
Ian Buckley, David Saunders, Luis Seco
139
Voted
TNN
2008
112views more  TNN 2008»
15 years 3 months ago
Multilayer Perceptrons: Approximation Order and Necessary Number of Hidden Units
Abstract--This paper considers the approximation of sufficiently smooth multivariable functions with a multilayer perceptron (MLP). For a given approximation order explicit formula...
S. Trenn
ICAC
2006
IEEE
15 years 10 months ago
Hardness of Approximation and Greedy Algorithms for the Adaptation Problem in Virtual Environments
— Over the past decade, wide-area distributed computing has emerged as a powerful computing paradigm. Virtual machines greatly simplify wide-area distributed computing ing the ab...
Ananth I. Sundararaj, Manan Sanghi, John R. Lange,...
HIPC
2007
Springer
15 years 7 months ago
Accomplishing Approximate FCFS Fairness Without Queues
First Come First Served (FCFS) is a policy that is accepted for implementing fairness in a number of application domains such as scheduling in Operating Systems, scheduling web req...
K. Subramani, Kamesh Madduri
ICIP
2007
IEEE
16 years 5 months ago
Robust Image Segmentation with Mixtures of Student's t-Distributions
Gaussian mixture models have been widely used in image segmentation. However, such models are sensitive to outliers. In this paper, we consider a robust model for image segmentati...
Giorgos Sfikas, Christophoros Nikou, Nikolas P. Ga...